Efficient removal of reactive dyes from industrial wastewater by peanut husk
Journal Title: IOSR Journal of Environmental Science, Toxicology and Food Technology (IOSR-JESTFT) - Year 2018, Vol 12, Issue 9
Abstract
A new bio-adsorbent to remove reactive dyes from industrial effluent was investigated in the present study. The adsorbent was the locally available peanut(Arachishypogaea)husk. Initially, sunfix red, a reactive dye common in textile effluents, was used to check the removal efficiency in terms of contact time, pH of dye solution and adsorbent dosage. 98% dye removal was achieved at adsorbent/dye ratio by mass of 2.5:1 at pH 7 in 150 minutes contact time. The adsorbent was also applied to deep colored, raw textile wastewater samples and it was found that 2.5 g of adsorbent was able to convert 100 mL of deep colored wastewater to transparent water at pH 7. Additionally, treatment by the adsorbent resulted in significant decreases in pH, BOD, COD, TS, TDS and TSS of wastewater, while improving DO level.
Authors and Affiliations
Md. Abdul Khaleque 1 ,, Shaikh Sayed Ahammed2 ,, Saquib Ahmad Khan3 ,, Md. Ekhtekharul Islam4 ,, Md. Shamim Alam5
Keywords
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